--- strspn.3.bsdnew 2009-11-30 13:52:24.000000000 -0800 +++ strspn.3 2009-11-30 14:55:45.000000000 -0800 @@ -43,23 +43,26 @@ .Sh SYNOPSIS .In string.h .Ft size_t -.Fn strspn "const char *s" "const char *charset" +.Fo strspn +.Fa "const char *s1" +.Fa "const char *s2" +.Fc .Sh DESCRIPTION The .Fn strspn function spans the initial part of the null-terminated string -.Fa s +.Fa s1 , as long as the characters from -.Fa s +.Fa s1 occur in the null-terminated string -.Fa charset . +.Fa s2 . In other words, it computes the string array index in -.Fa s +.Fa s1 of the first character of -.Fa s +.Fa s1 which is not in -.Fa charset , +.Fa s2 , else the index of the first null character. .Sh RETURN VALUES The